When a reagent (X) reacts with Fe3+ salt solution turns red due to the formation of a compound (Y). This reagent causes no change in colour with Fe2+ salt solution. Compound (X) and (Y) are respective

Question

When a reagent (X) reacts with Fe3+ salt solution turns red due to the formation of a compound (Y). This reagent causes no change in colour with Fe2+ salt solution. Compound (X) and (Y) are respectively :

Prashant Kotian · Accepted Answer

Correct answer: A. Fe3+ + 3NH4SCN -> 3NH4+ + Fe(SCN)3 (Blood red colour solution). NH4SCN has no change in colour with Fe2+.

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